Abstract
We investigate the triboelectrostatic separation of polyvinylchloride (PVC) from mixed plastics in the laborartory scale triboelectrostatic separation system. The flow and electric fields in the precipitator are obtained from the numerical solution of finite volume method. Using these flow and electric fields. we solved the particle motion equation considering the inertia. drag. gravity and electrostatic forces acted on the particles. The particle trajectories arc obtained using a Lagrangian method as a function of different important variables such as Reynolds number, Stokes number, electrostatic force, electric charge and electric field distribution. inclined angle of plane electrodes. particle rebounding. particle charge decay rate after impact on the electrode surface. etc., in order to determine the optimal design conditions. The present predicted results for the cumulative yield represent well the experimental ones.
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